好了,我是android开发的初学者,我刚刚创建了hello world应用程序。但它在appcompat_v7库的styles_base.xml文件中显示错误。
错误:检索项目的父项时出错:找不到与给定名称'android:Widget.Material.ActionButton‘匹配的资源。styles_base.xml /appcompat_v7/res/values-v21
AAPT问题
我该如何处理这个错误?另外,为什么在我不需要appcompat_v7库的时候还要使用它呢?我的意思是,如何在不使用appcompat_v7库的情况下创建hello world应用程序?
这就是给出上述错误的styles_base.xml文件。
<resources>
<!-- Like in themes_base.xml, the namespace "*.AppCompat.Base" is used to
define base styles for the platform version. The "*.AppCompat"
variants are for direct use or use as parent styles by the app. -->
<eat-comment/>
<style name="Base.Widget.AppCompat.ActionBar.TabView"
parent="android:Widget.Material.ActionBar.TabView">
</style>
<style name="Base.Widget.AppCompat.Light.ActionBar.TabView"
parent="android:Widget.Material.Light.ActionBar.TabView">
</style>
<style name="Base.Widget.AppCompat.ActionBar.TabText"
parent="android:Widget.Material.ActionBar.TabText">
</style>
<style name="Base.Widget.AppCompat.Light.ActionBar.TabText"
parent="android:Widget.Material.Light.ActionBar.TabText">
</style>
<style name="Base.Widget.AppCompat.Light.ActionBar.TabText.Inverse"
parent="android:Widget.Material.Light.ActionBar.TabText">
</style>
<style name="Base.TextAppearance.AppCompat.Widget.ActionBar.Menu"
parent="android:TextAppearance.Material.Widget.ActionBar.Menu">
</style>
<style name="Base.TextAppearance.AppCompat.Widget.ActionBar.Title"
parent="android:TextAppearance.Material.Widget.ActionBar.Title">
</style>
<style name="Base.TextAppearance.AppCompat.Widget.ActionBar.Subtitle"
parent="android:TextAppearance.Material.Widget.ActionBar.Subtitle">
</style>
<style name="Base.TextAppearance.AppCompat.Widget.ActionBar.Title.Inverse"
parent="android:TextAppearance.Material.Widget.ActionBar.Title.Inverse">
</style>
<style name="Base.TextAppearance.AppCompat.Widget.ActionBar.Subtitle.Inverse"
parent="android:TextAppearance.Material.Widget.ActionBar.Subtitle.Inverse">
</style>
<style name="Base.TextAppearance.AppCompat.Widget.ActionMode.Title"
parent="android:TextAppearance.Material.Widget.ActionMode.Title">
</style>
<style name="Base.TextAppearance.AppCompat.Widget.ActionMode.Subtitle"
parent="android:TextAppearance.Material.Widget.ActionMode.Subtitle">
</style>
<!-- Action Button Styles -->
<style name="Base.Widget.AppCompat.ActionButton"
parent="android:Widget.Material.ActionButton">
</style>
<style name="Base.Widget.AppCompat.ActionButton.CloseMode"
parent="android:Widget.Material.ActionButton.CloseMode">
</style>
<style name="Base.Widget.AppCompat.ActionButton.Overflow"
parent="android:Widget.Material.ActionButton.Overflow">
</style>
<!--
Widget.AppCompat.Toolbar style is purposely ommitted. This is because the support
Toolbar implementation is used on ALL platforms and relies on the unbundled attrs.
The supporting Toolbar styles below only use basic attrs so work fine.
-->
<style name="Base.Widget.AppCompat.Toolbar.Button.Navigation"
parent="android:Widget.Material.Toolbar.Button.Navigation">
</style>
<style name="Base.TextAppearance.Widget.AppCompat.Toolbar.Title"
parent="android:TextAppearance.Material.Widget.ActionBar.Title">
</style>
<style name="Base.TextAppearance.Widget.AppCompat.Toolbar.Subtitle"
parent="android:TextAppearance.Material.Widget.ActionBar.Subtitle">
</style>
<!-- Spinner Widgets -->
<style name="Base.Widget.AppCompat.ListView.DropDown"
parent="android:Widget.Material.ListView.DropDown"/>
<style name="Base.Widget.AppCompat.DropDownItem.Spinner"
parent="android:Widget.Material.DropDownItem.Spinner"/>
<style name="Base.Widget.AppCompat.Spinner" parent="android:Widget.Material.Spinner" />
<style name="Base.Widget.AppCompat.Spinner.DropDown.ActionBar" parent="android:Widget.Material.Spinner">
<item name="spinnerMode">dropdown</item>
<item name="disableChildrenWhenDisabled">true</item>
<item name="popupPromptView">@layout/abc_simple_dropdown_hint</item>
</style>
<style name="Base.Widget.AppCompat.ListView.Menu"
parent="android:Widget.Material.ListView" />
<!-- Popup Menu -->
<style name="Base.Widget.AppCompat.ListPopupWindow" parent="android:Widget.Material.ListPopupWindow">
</style>
<style name="Base.Widget.AppCompat.PopupMenu" parent="android:Widget.Material.PopupMenu">
</style>
<style name="Base.Widget.AppCompat.Light.PopupMenu"
parent="android:Widget.Material.Light.PopupMenu">
</style>
<style name="Base.Widget.AppCompat.PopupMenu.Overflow">
<item name="android:dropDownHorizontalOffset">-4dip</item>
<item name="android:overlapAnchor">true</item>
</style>
<style name="Base.Widget.AppCompat.Light.PopupMenu.Overflow">
<item name="android:dropDownHorizontalOffset">-4dip</item>
<item name="android:overlapAnchor">true</item>
</style>
<style name="Base.TextAppearance.AppCompat.Widget.PopupMenu.Large"
parent="android:TextAppearance.Material.Widget.PopupMenu.Large">
</style>
<style name="Base.TextAppearance.AppCompat.Widget.PopupMenu.Small"
parent="android:TextAppearance.Material.Widget.PopupMenu.Small">
</style>
<style name="Base.TextAppearance.AppCompat.Light.Widget.PopupMenu.Large"
parent="android:TextAppearance.Material.Widget.PopupMenu.Large">
</style>
<style name="Base.TextAppearance.AppCompat.Light.Widget.PopupMenu.Small"
parent="android:TextAppearance.Material.Widget.PopupMenu.Small">
</style>
<!-- Search View result styles -->
<style name="Base.TextAppearance.AppCompat.SearchResult.Title"
parent="@android:TextAppearance.Material.SearchResult.Title">
</style>
<style name="Base.TextAppearance.AppCompat.SearchResult.Subtitle"
parent="@android:TextAppearance.Material.SearchResult.Subtitle">
</style>
<style name="Base.Widget.AppCompat.AutoCompleteTextView" parent="android:Widget.Material.AutoCompleteTextView" />
<style name="Base.Widget.AppCompat.Light.AutoCompleteTextView" parent="android:Widget.Material.AutoCompleteTextView" />
<!-- Progress Bar -->
<style name="Base.Widget.AppCompat.ProgressBar.Horizontal"
parent="android:Widget.Material.ProgressBar.Horizontal">
</style>
<style name="Base.Widget.AppCompat.ProgressBar"
parent="android:Widget.Material.ProgressBar">
</style>
<!-- TODO. Needs updating for Material -->
<style name="Base.Widget.AppCompat.ActivityChooserView" parent="">
<item name="android:gravity">center</item>
<item name="android:background">@drawable/abc_ab_share_pack_holo_dark</item>
<item name="android:divider">?attr/dividerVertical</item>
<item name="android:showDividers">middle</item>
<item name="android:dividerPadding">6dip</item>
</style>这是我使用的代码:
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
}https://stackoverflow.com/questions/26530415
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